loongson/pypi: links for secp256k1-zkp-mw

loongson/mirror secp256k1-zkp-mw-0.4.2.tar.gz
loongson/mirror secp256k1-zkp-mw-0.4.0.tar.gz
loongson/mirror secp256k1-zkp-mw-0.3.0.tar.gz
loongson/mirror secp256k1-zkp-mw-0.1.0.tar.gz